Selection of marine species and meals for cephalopod feeding based on their essential mineral composition

Corrected by: Erratum: https://dx.doi.org/10.1111/anu.12402 Vol. 21, Issue 6, 994, Version of Record online: 28 OCT 2015[EN] A quantitative analysis of the essential mineral content (mg kg−1 dry weight) was carried out in 31 samples, including molluscs, crustaceans, fish and meals in an attempt to identify those most suitable for formulating cephalopod diets. The mineral ratios (MR: content in the test sample/content in whole Octopus vulgaris) were used as index of nutritional quality. Both crustaceans and oysters presented an optimal profile that covered the macro- and microelements composition of O. vulgaris. These samples differed from the rest by their higher Ca, Mg, B, Cu and Zn contents based on a principal component analysis. Fish were deficient in macroelements, such as Na (MR: 7–42%) and Mg (MR: 22–69%), but would be good source of K, Ca and P. Most fish were also deficient in Fe, Zn and Cu, although the copper content would be the most affected (MR: 0.3–13%). Fish and krill meals showed a high content of Ca and P, although both would be deficient in Na (MR: 44–47%) and Cu (13–54%), along with K, Fe and Zn in krill and Mg and B in fish. Among the plant meals, sunflower and soybean were the most appropriate, presenting higher total content of minerals and MRs above 100% for all minerals, except Na, Cu and Zn.This project was financed by JACUMAR Spanish National Plans for Aquaculture.Cerezo Valverde, J.; Tomas-Vidal, A.; Martínez-Llorens, S.; Pascual, M.; Gairín, JI.; Estefanell, J.; Garrido, D.... (2015). Selection of marine species and meals for cephalopod feeding based on their essential mineral composition. Aquaculture Nutrition. 21(5):1-14. doi:10.1111/anu.12195S11421